Bowl brush base



FIG. 1 is a perspective view of a brush base embodying this invention, with a phantom view of a brush handle extending from the base;

FIG. 2 is a front view of the brush base shown in FIG. 1, with a phantom view of the brush handle extending from the base;

FIG. 3 is a top view of the brush base shown in FIG. 1, with a phantom view of the top of the brush handle within the base;

FIG. 4 is a side elevation view of the brush base shown in FIG. 1, with a phantom view of the brush handle extending from the base; and,

FIG. 5 is a bottom view of the brush base shown in FIG. 1. 

The ornamental design for a bowl brush base, as shown and described. 